Piezoelectric-Hydraulic High-Frequency Ceramic Friction Pad Clutch for Rack and Pinion Free-Piston Engine Posted on May 15, 2023May 21, 2023 by Christophe Pochari (Rivals, chevalier de Mazères) Share this:TwitterFacebookLike this:Like Loading... Related Published by Christophe Pochari (Rivals, chevalier de Mazères) Inventor View all posts by Christophe Pochari (Rivals, chevalier de Mazères)